The summer Bohai Sea hydrological environment analysis

International Conference on Energy Engineering and Environmental Protection 2016

能源学;生态环境科学

Shanshan, Xu^1 ; Shuangquan, Wu^1 ; Ling, Du^2 ; Huan, Li^1 ; Cheng, Li^1

National Marine Data and Information Service, Tianjin

300171, China^1

Ocean University of China, Qingdao

266100, China^2

关键词: Current direction;    Environment analysis;    Flow direction;    Flow properties;    Good correlations;    Historical observation;    Historical trends;    Tidal currents;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/52/1/012062/pdf
DOI  :  10.1088/1742-6596/52/1/012062

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

The Bohai Sea is a nearly closed shallow sea which goes deep into China mainland, it has a supper shallow water shelf properties. The research about the Bohai Sea environment must consider the wind, tide, temperature and salinity. The fixed point observed temperature, salinity and current data were analysed. The results show that the Bohai Sea is regular half-day tidal current trend, and the tidal current trend is the substantially reciprocating flow properties. The reciprocating flow direction within the bay is trend towards the bay's direction; the rest is trend towards the sea shore. During the observation, the current direction is stable and the current rate is small at all fixed points, with a good correlation with wind. Thereinto the Liaodong Bay has a clockwise circulation and the Laizhou Bay flows substantially clockwise either, which consistent with the historical trend observation. One fixed point in the Bohai Bay flows different trend compared with the historical observation. The Bohai Sea surface temperature is slightly lower than that in August of the calendar year; salinity has a decreased trend compared to historical statistics.